Return own tab for wall. Improve Wiki nav. Removed attachments listing page

app/views/projects/files.html.haml

@@ -1,22 +0,0 @@
-= render 'wikis/nav'
-- unless @notes.empty?
-  %table
-    %thead
-      %tr
-        %th File name
-        %th
-
-    - @notes.each do |note|
-      %tr
-        %td
-          = link_to note.attachment.secure_url, target: "_blank" do
-            = image_tag gravatar_icon(note.author_email), class: "avatar s24"
-            = note.attachment_identifier
-        %td
-          Added
-          = time_ago_in_words(note.created_at)
-          ago
-- else
-  %p.slead All files attached to project wall, issues etc will be displayed here
-
-

app/views/projects/wall.html.haml

@@ -1,3 +1,2 @@
-= render 'wikis/nav'
 %div.wall_page
   = render "notes/reversed_notes_with_form"